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      Condición del agua para beber y preparar alimentos de la población Warao de la Barra de Makareo, Municipio Tucupita, estado Delta Amacuro, Venezuela

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          Abstract

          Esta investigación evalúa si la comunidad de la Barra de Makareo, estado Delta Amacuro, potabiliza el agua que es utilizada para beber y preparar alimentos, su manejo y almacenamiento. A pesar de que la comunidad ha recibido entrenamiento para clorar y/o hervir el agua, siguen reportándose enfermedades gastrointestinales. Se revisaron los registros de morbilidad desde enero de 1999 hasta agosto de 2003, archivadas en el Ambulatorio Rural, pero existe un subregistro médico. Se encontraron 839 casos distribuidos entre 50 grupos familiares. Se seleccionaron ocho estaciones intencionalmente, para la aplicación de una encuesta sobre hábitos de almacenamiento, manejo del agua y análisis correspondientes: tres con alta incidencia de problemas diarreicos, tres con baja incidencia y dos más, la escuela Jomakaba Yabanoko y la Estación Makareo de FLASA. La captación de muestras se realizó en dos oportunidades durante octubre de 2003. Se utilizaron placas PetrifilmTM 3M TMpara recuentos de coliformes totales, Escherichia coli y organismos heterótrofos aerobios. También se determinó el pH, la temperatura y la salinidad del agua con kits comerciales. Se encontró que en cuatro estaciones se ingiere agua decantada y almacenada, en tres lo hacen directamente del río y en una se bebe agua envasada comercial. Sólo en dos lugares se utiliza el cloro.En cinco estaciones se hallaron coliformes totales en el primer muestreo y en seis en el segundo. Escherichia coli fue detectada en la mitad de las muestras en ambos períodos. Los recuentos de los organismos heterótrofos aerobios en seis estaciones fueron mayores de 2,0 x 10³ UFC/mL. El valor de pH del agua osciló de 4,00 a 6,00, con promedio de 5,20. La temperatura osciló entre 28 y 31 ºC y la salinidad fue de 0o/oo en todas las muestras. Aunque no se puede generalizar, se concluye que la comunidad investigada no potabiliza el agua que ingiere, por tanto representa un riesgo de estar ocasionándoles enfermedades de origen hídrico.

          Translated abstract

          This research assess microbiological conditions of Orinoco River ´s water used for drinking and preparing foods. It also evaluates handling and storage of water by the warao indigenous people of Barra de Makareo, Delta Amacuro State, Venezuela. In this community, local Health Center staff promotes chlorine addition and boiling water workshops; however, gastrointestinal diseases constantly are reported. Illness daily records belonging to Rural Ambulatory were revised from January 1999 through August 2003. However, not all the indigenous go to the doctor since they prefer local witch doctor (chamanes). In spite of this understatement, 839 diarrhoea cases were found among 50 families. Eight stations were specific selected due to the analytical material´s availability for application of surveys about water conditions and its storage and handling inside home. Three stations corresponded with a high diarrhoea record, other three with a low record and two more for being places of reference within the community, the school Jomakaba Yabanoko and Makareo Station´s FLASA. Water samples were collected in two different dates during. October, 2003. PetrifilmTM 3M TM plates were used for total coliforms and Escherichia coli counts and heterotrophic plate count bacteria. pH, temperature and salinity were determined with commercial kits. It was found that in four stations people drinks water previously decanted and stored at home, in three indigenous houses water was drunk straight from the river and in one station drinks bottled water. In six stations, the container used to drink was left on the floor between use. Only in two stations chlorine is used to purify the water. In five stations from the first period, coliforms were found as well as in six stations of the second period. E. coli was detected in half of the samples in both periods. Heterotrophic organisms plate count in six stations exceeded 2,0 x 10³ cfu/ml. Low pH values were found (4-6, with average of 5,20). Temperature oscillated between 28 ºC and 31 ˚C and salinity was 0 ˚/oo in all the samples. Even though, it is not possible to make generalizations toward the whole population, it is concluded that the drinking water of the observed communities has impurities and it could represent a serious risk for the population.

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          Most cited references 24

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          Basic food microbiology

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            Basic food microbiology

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              Microbiologia de las aguas

               G Rheinheimer (1985)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                inhrr
                Revista del Instituto Nacional de Higiene Rafael Rangel
                INHRR
                Instituto Nacional de Higiene Rafael Rangel (Caracas )
                0798-0477
                June 2005
                : 36
                : 1
                : 13-20
                Affiliations
                [1 ] Fundación La Salle de Ciencias Naturales Venezuela
                [2 ] Fundación La Salle de Ciencias Naturales, Campus de Margarita. Venezuela
                Article
                S0798-04772005000100003
                Product
                Product Information: website
                Categories
                PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH

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